This website contains age-restricted materials including nudity and explicit depictions of sexual activity.
By entering, you affirm that you are at least 18 years of age or the age of majority in the jurisdiction you are accessing the website from and you consent to viewing sexually explicit content.
If Canada Post still wants it delivered, they can make that happen without requiring their workers to be exposed to hateful or discriminatory messages.
Last I checked, mail can be sent in envelopes.